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CVE-2026-70559— Dinky Unauthenticated System Configuration and Credential Disclosure via GET /api/sysConfig/getAll

Quick assessment

Affected
DataLinkDC Dinky
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

DataLinkDC Dinky是DataLinkDC组织的一个以 Apache Flink 为核心构建的开源实时计算平台。 DataLinkDC Dinky 1.2.5及之前版本存在授权问题漏洞，该漏洞源于/api/sysConfig/getAll接口的访问控制不当，可能允许未经身份验证的远程攻击者获取系统配置及敏感凭据信息。

CVSS 7.5 · High EPSS 0.45% · P38

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
DataLinkDC Dinky ≤ 1.2.5 affected
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I. Basic Information for CVE-2026-70559

Vulnerability Information
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Vulnerability Title
Dinky Unauthenticated System Configuration and Credential Disclosure via GET /api/sysConfig/getAll
Source: CVE Program / CVE List V5
Vulnerability Description
Dinky's SysConfigController.getAll() handler for GET /api/sysConfig/getAll carries a method-level @SaIgnore annotation that short-circuits the class-level @SaCheckLogin, so the Sa-Token interceptor lets the request through with no session or role check. Any remote unauthenticated caller who can reach the Dinky HTTP port (8888 by default) receives the full live system configuration (54 entries on a stock v1.2.5 install) with one parameterless GET. Only one credential field (sys.maven.settings.repositoryPassword) has a desensitization handler wired; the other credential-bearing fields (sys.env.settings.dinkyToken, sys.ldap.settings.userPassword, sys.resource.settings.oss.accessKey and secretKey, and sys.dolphinscheduler.settings.token) return in cleartext. A bare install leaks the shipped defaults, including the hardcoded dinkyToken efda1551-7958-4e0f-80a8-dfd107df3e38 and minioadmin/minioadmin OSS keys; once an operator configures LDAP, object storage, or DolphinScheduler through the Settings Center, those live third-party credentials leak from the same endpoint. Because dinkyToken is the sole gate on the sibling POST /download/uploadFromRsByLocal arbitrary file write, this disclosure defeats token rotation as a mitigation for that vulnerability. Affects Dinky v1.2.5 (the current release, 2025-11-05) and the development branch (dev HEAD 63b5a5a), where the affected code is byte-identical.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
DataLinkDC Dinky 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DataLinkDC Dinky是DataLinkDC组织的一个以 Apache Flink 为核心构建的开源实时计算平台。 DataLinkDC Dinky 1.2.5及之前版本存在授权问题漏洞，该漏洞源于/api/sysConfig/getAll接口的访问控制不当，可能允许未经身份验证的远程攻击者获取系统配置及敏感凭据信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
DataLinkDC Dinky 0 ~ 1.2.5 -

II. Public POCs for CVE-2026-70559

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6517 chars
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III. Intelligence Information for CVE-2026-70559

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Vendor Advisories for CVE-2026-70559 (1)

Proof of Concept for CVE-2026-70559 (1)

Vendor Pages for CVE-2026-70559 (1)

IV. Related Vulnerabilities

Same product: Dinky
Same vendor: DataLinkDC
Same weakness: CWE-306

V. Comments for CVE-2026-70559

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